#!/usr/bin/env node
const http=require("http"),
      html=`<!DOCTYPE html>
      <html lang="en">
      <head>
       <meta charset="UTF-8">
        <title>登录页面</title>
      </head>
        <body>
        <form action="">
         <label>用户名:</label>
        <input type="text" name="username">
         </br>
        <label>密码:</label>
         <input type="password" name="password">
       </br>
     <input type="button" value="登录">
      </form>
      </body>
      </html>`,
      log=console.log;


  http.createServer((req,res)=>{
    if(req.url !=='/'){
      res.statusCode=404;
      res.setHeader('Content-type','text/html');
      res.end('<h1>Not Found!</h1>');
      return;
    }
  
    res.writeHead( 200,{
      'Content-type':'text/html',
       'Content-length':Buffer.byteLength(html)});
    
     res.end(html);
 }).listen(8080)
